VDB
CVE-2025-27821
CVE-2025-27821
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Apache Hadoop HDFS Native Client has Out-of-bounds Write Vulnerability
EPSS 0.04% · 14.0th percentile
Risk Scores
CVSS v4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.04%
14.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | HDFS native client | 3.2.0 |
| Maven | org.apache.hadoop:hadoop-hdfs-native-client | 3.2.0, 3.2.0 |
| apache | hadoop | 3.2.0, 3.2.0 |
Timeline
- Jan 23, 2026 PoC Published
- Jan 23, 2026 PoC Published
- Jan 25, 2026 PoC Published
- Jan 26, 2026 CVE Published
- Jan 26, 2026 EPSS Score
- Jan 26, 2026 PoC Published
- Jan 26, 2026 PoC Published
- Jan 27, 2026 PoC Published
- Jan 29, 2026 EPSS Score
- Jan 31, 2026 EPSS Score
- Feb 2, 2026 PoC Published
- Feb 3, 2026 EPSS Score
References
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/37405 advisory
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/37404 advisory
- https://lists.apache.org/thread/kwjhyyx0wl2z9b0mw0styjk0hhdbyplh vendor-advisory
- http://www.openwall.com/lists/oss-security/2026/01/23/7 url
- https://nvd.nist.gov/vuln/detail/CVE-2025-27821 advisory
- https://github.com/apache/hadoop/pull/7481 url
- https://github.com/apache/hadoop/commit/2b32e46f666c7645f5d1e026be3982b99319ccb8 url
- https://github.com/apache/hadoop package
- https://issues.apache.org/jira/browse/HDFS-17754 url